Ella simplifies (3b+4r) + (-2b-r) and says the result is b+5r. what error did ella make

Divide 33 photos into two groups so the ratio is 4:7. How do you properly write the answer? 4 7 4 7 4 7 4+4+4=12 7+7+7=21 12+21=33 Is that the answer? Or should it be 12/21? Or 12:21?

Rewrite the expression so that the GCF is factored completely: 2x^3y+18xy-10x^2y-90y

As a diameter of a circle increases the radius will

What is the coefficient of x^3 term

The selling price of a television in a retail store is $66 less than 3 times the wholesale price. if the selling price of a television is it $899, write and solve an equation to find the wholesale price of the television.

What is 12+2-8=6-12 = - 6 + 18

A ramp leading into a building makes a 15 degree angle with the ground. The end of the ramp is 10 feet from the base of the building. Approximately how long is the ramp? Round to the nearest tenth.

What is 7 hunderedths in simpilest form?

Solve - 7x + 2x = - 45.

A car travelled 100 km with half the distance at 40 km/h and the other half at 80 km/h. Find the average speed of the car for the whole journey.